Similar word to flimsy:

chiffon, cut-rate,decrepit,defective,delicate,diaphanous,feeble,fragile,frail, gauzy,gossamer, house of cards,inadequate, infirm,insubstantial,meager, papery, rickety, rinkydink,shaky,shallow,sheer, slapdash,sleazy,slight,superficial,tacky,transparent, un